Notes

http://www.rhondda.demon.co.uk says From "The Land of Morgan" by
G.T.Clark, printed in 1883 the following from P.121. and
relating to Thomas, the 2nd son of Richard de Clare, 6th Earl of
Gloucester. Thomas's elder brother Gibert became the 7th Earl of
Gloucester.

Relating to Thomas's royal commission to conquer all he could in
Ireland: "Soon after his landing he was himself conquered by
the charms of Julian, third daughter of Maurice, son of Maurice
fitz Gerald, by Emmeline, daughter and heir of Sir Stephen
Longespee, a natural son of Henry II and Rosamund Clifford".
According to G.T.Clark's book, it was Emmeline's not
who married Thomas and linked to the House of Clare.
"He was loyal to King Henry III, and helped Prince Edward to
escape captivity after he had been captured at Lewes."